Method for recovering zinc from electric furnace steelmaking dust and device for recovering zinc from electric furnace steelmaking dust
作者： Kazuyo Matsubae-Yokoyama , Tetsuya Nagasaka
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摘要: A method and a device for recovering zinc from electric furnace steelmaking dust, which are capable of high-purity metal relatively short time. Ca mixing heating means obtains ZnO 2CaO·Fe 2 O 3 by dust with calcium compound performing heat treatment in non-reducing atmosphere at not lower than 960°C exceeding 1100°C one to three hours. An iron powder mixes the powder, compact mixture. reduction volatilization solid piece disposing green decompression container 21, decompressing inside generate vapor, cooling coagulating vapor. acquisition acquires lumpy immersing NaCl-KCl based multi-component chloride flux solution.
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